tidealmanac
Fri, Sep 17

Saturday, September 18, 2027

Sumner Island, AK · NOAA 9451163 · MLLW · Local time (America/Sitka)

Sun, Sep 19

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High2:26 AM11.8 ft3.61 m
  2. Low8:24 AM1.5 ft0.46 m
  3. High2:23 PM13.0 ft3.95 m
  4. Low8:58 PM0.0 ft-0.01 m

Range 13.0 ft3.96 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:31 AM
Solar noon
12:50 PM
Sunset
7:08 PM
Civil dusk
7:46 PM
Daylight
12h 37m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waning gibbous92% illuminated · day 17 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Wed, Sep 15H 12:40AM 12.1 ft3.68 mL 7:02AM 0.3 ft0.10 mH 1:09PM 12.1 ft3.70 mL 7:18PM 1.0 ft0.32 mThu, Sep 16H 1:15AM 12.1 ft3.70 mL 7:29AM 0.6 ft0.17 mH 1:33PM 12.5 ft3.81 mL 7:50PM 0.5 ft0.16 mFri, Sep 17H 1:50AM 12.1 ft3.68 mL 7:56AM 1.0 ft0.29 mH 1:58PM 12.8 ft3.90 mL 8:23PM 0.1 ft0.04 mSat, Sep 18H 2:26AM 11.8 ft3.61 mL 8:24AM 1.5 ft0.46 mH 2:23PM 13.0 ft3.95 mL 8:58PM 0.0 ft-0.01 mSun, Sep 19H 3:04AM 11.5 ft3.50 mL 8:52AM 2.2 ft0.67 mH 2:52PM 13.0 ft3.96 mL 9:36PM 0.0 ft0.00 mMon, Sep 20H 3:46AM 11.0 ft3.34 mL 9:23AM 2.9 ft0.89 mH 3:24PM 12.9 ft3.92 mL 10:20PM 0.2 ft0.07 mTue, Sep 21H 4:36AM 10.3 ft3.15 mL 9:58AM 3.7 ft1.11 mH 4:03PM 12.6 ft3.84 mL 11:13PM 0.6 ft0.19 m